Service Stabilitrak Message or Intermittent Stabilitrak Activation During Normal Driving, DTC C0455 (Inspect/Repair Steering Wheel Position Sensor (SWPS) Connector and Reprogram EBCM). Chevrolet Tahoe

Subject:

Service Stabilitrak® Message or Intermittent Stabilitrak® Activation During Normal Driving, Diagnostic Trouble Code (DTC) C0455 (Inspect/Repair Steering Wheel Position Sensor (SWPS) Connector and Reprogram Electronic Brake Control Module (EBCM))

Models:

2004-2006 Cadillac Escalade Models

2004-2006 Chevrolet Avalanche, Suburban, Tahoe

2004-2006 GMC Yukon Models

with Control, Active Brake (RPO JL4)

Condition

Some customers may comment on a Service Stabilitrak® message or intermittent Stabilitrak® activation during normal driving.

When interrogating with the Tech 2®, the technician may find a DTC C0455.

Cause

There are multiple possible causes for this issue. This bulletin will address the two most likely causes.

•	A bent terminal or poor connection at the SWPS may be one possible cause.

•	The vehicle stability enhancement system (VSES) electronic brake control module (EBCM) calibration may be the other possible cause.

Correction

Remove the SWPS connector located at the base of the STRG column.
Inspect the SWPS connector terminals for bent of loose terminals.
Inspect the SWPS terminals for bent or loose terminals.

Important: DO NOT replace the SWPS or connector if bent or loose terminals are found.

If either the SWPS terminals or SWPS connector terminals are bent or loose, repair the terminals. Refer to Wiring Repairs (SI Document ID# 1466108).
Reprogram the VSES EBCM with TIS version 9.0 released on 9/04/05 or later. Refer to Service Programming System (SPS) (SI Document ID# 1265170).

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation	Description	Labor Time
N6628	Wiring And/Or Connector - Steering/Suspension/Ride Control - Repair Or Replace	Use Current Published Labor Time
H9708	EBCM - Reprogram	0.4 hr